数字工程过程通常会导致计算模型的发展。根据使用的计算过程，这些模型可以有多种格式。本数据项说明（DID）描述了将用于计算空气动力学分析的数字模型。

Digital engineering processes routinely result in the development of computational models. These models can be in a variety of formats depending on the computational processes used. This Data Item Description (DID) describes a digital model that will be used for computational aerodynamic analysis.